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23 September, 2015 Two new buthids from Puerto Rico Rolando Teruel and co-workers have recently described two new species in the family Buthidae from the island of Vieques, Greater Antilles, Puerto Rico. Microtityus vieques Teruel, Rivera & Santos, 2015 Tityus alejandroi Teruel, Rivera & Santos, 2015 A checklist of scorpions confirmed to occur in Puerto Rico (including Mona and excluding the Virgin Islands) is presented in the article. Abstract: Two new scorpion species of the family Buthidae are described herein: Microtityus vieques sp. n. (a member of the subgenus Parvabsonus Armas, 1974) and Tityus alejandroi sp. n. (belonging to the “quisqueyanus” species-group). Both were collected from pitfall traps in the Puerto Rican satellite island of Vieques, in the Greater Antilles, and the former represents the first official record of the occurrence there of the gens Microtityus Kjellesvig-Waering, 1966. As expected, the new species have their closest relatives in Puerto Rico. Fully illustrated descriptions and detailed comparisons are provided. Additionally, two other Puerto Rican species of Tityus currently not assigned to any group are herein formally transferred to the “quisqueyanus” species group: Tityus angelesae Santiago-Blay, 2009 and Tityus juliorum Santiago-Blay, 2009. After this contribution, the scorpion fauna of Puerto Rico is now composed of 19 species. Reference: Teruel R, Rivera MJ, Santos CJ. Two new scorpions from the Puerto Rican island of Vieques, Greater Antilles (Scorpiones: Buthidae). Euscorpius. 2015 (208):1-15. [Open Access] Family Buthidae Submitted by Jan Ove Rein (editor) på 10:55 AM 0 Comments Keywords: Buthidae, Caribbean, distribution, Microtityus, new species, Puerto Rico, taxonomy, Tityus 16 September, 2015 Growth and maturation of a male Alloscorpiops wongpromi Members of the Asian genus Alloscorpiops Vachon, 1980 (Euscorpiidae) are rare in collections and many species descriptions are based on one or a few specimens. Frantisek Kovarik and co-workers have now published a redescription of the male Alloscorpiops wongpromi Kovarik, Soleglad & Kosulic, 2013 based on a specimen raised in captivity. The status of Alloscorpiops troglodytes Lourenço & Pham, 2015 is also discussed. Abstract: An adult male of Alloscorpiops wongpromi Kovařík et al., 2013 was raised from birth, and its five exuviae (instars 2 through 6) were compared to the resulting adult. This adult was contrasted with the original holotype male specimen, which was determined to be only a subadult after the fifth ecdysis. The hemispermatophore of A. wongpromi is illustrated and described here for the first time. In addition to morphological analysis we also describe the karyotype of Alloscorpiops wongpromi (2n=95). Based on comparative analysis of pectinal tooth counts, it is determined that the holotype of A. troglodytes Lourenço & Pham (2015) represents a juvenile. Reference: Kovarik F, Soleglad ME, Lowe G, Pliskova J, Stahlavsky F. Observations on Growth and Maturation of a Male Alloscorpiops wongpromi (Scorpiones: Euscorpiidae). Euscorpius. 2015 (206):1-19. [Open Access]

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